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Subject: Re: 64-bit processors

Author: Terry McCracken

Date: 13:57:00 01/17/01

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Major Snip!

>>http://www.intel.com/eBusiness/products/ia64/faqs/
>
>Again, this seems to indicate binary compatablility with IA32 instructions
>Terry, but I am still wondering if you have to be in some sort of IA32 mode or
>if you can just execute the instructions while in IA32 mode.  Intel has always
>maintained hardware instruction compatability with previous generations and I
>would hope that IA32 code could use IA64 instructions and registers without
>doing some sort of mode switch or incurring clock cycle penalties.
>
>Larry.

I'm also interested in the Itanium Processor, as far as IA32/64 compatability
goes. But don't know too much in this area. However, I hope these Intel links
help.

Terry

http://www.intel.com/design/ia-64/index.htm


http://www.intel.com/design/ia-64/itanium.htm


http://www.intel.com/design/ia-64/microarch_ovw/index.htm


http://www.intel.com/design/ia-64/microarch_ovw/sld020.htm



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